iSecure Master vs RadonSketch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iSecure Master
This app transforms your iPhone into a secure vault for photos and videos, protecting your content from illegal copying. It offers encrypted photography, secure data transfer, and a personal note tool for enhanced privacy.
- Encrypted photography
- Secure photo and video transfer
- Personal account and password notes
- Data transfer and auto backup
- Secure voice memos
- Secure notes
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iSecure Master is designed specifically for iPhone users who concern about the copyright issue and worried about illegal copy. It can turn your iPhone into Security. The world’s premiere, for groups that need encrypted photography taken on iPhone. 3 Features - Easy operation for anyone - Transfer photos and videos safely and securely - The strongest active security Master Advanced Features .Personal account & password note tool. .Data transfer and auto backup .Secure voice memos .Secure Notes
RadonSketch
This tool simplifies radon mitigation workflows by helping professionals design systems, ensure compliance, and generate professional documentation. It streamlines the creation of diagrams, materials lists, and maintenance plans, saving time and reducing errors in the field.
- System Diagram Creator
- Compliance Validation
- Materials List Generator
- OM&M Plan Creation
- Secure Recordkeeping
- Customizable for Every Job
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RadonSketch is the ultimate system design and compliance tool built specifically for radon mitigation professionals. Designed to streamline your workflow, ensure ANSI/AARST compliance, and generate clean, professional documentation, RadonSketch helps you spend less time on paperwork and more time in the field. Whether you're designing diagnostic testing layouts, final system diagrams, or compiling operation and maintenance plans, RadonSketch brings simplicity and accuracy to every project — all from your mobile device or tablet. => Key Features: - System Diagram Creator Easily design radon mitigation system diagrams that meet ANSI/AARST standards. Choose from preloaded materials, drag-and-drop components, and export ready-to-print diagrams. - Compliance Validation Built-in logic checks to help you meet ANSI/AARST requirements for system design, discharge locations, fan placement, labeling, and more. - Materials List Generator Automatically generate a full Bill of Materials based on your system layout — ideal for ordering supplies or including in project bids. - OM&M Plan Creation Quickly compile and export Operation, Maintenance & Monitoring plans to stay compliant with client records and inspection documentation requirements. - Secure Recordkeeping Store project diagrams and documentation securely for 5+ years — as required by industry standards. - Customizable for Every Job Save frequently used components, adjust default configurations, and tailor each plan to match specific project needs and regional code requirements. => Built by Professionals, for Professionals RadonSketch was developed in collaboration with certified radon professionals to meet real-world needs in the field. Whether you're a solo mitigator or a large mitigation company, the app helps you standardise quality, reduce errors, and boost professionalism. Who Should Use RadonSketch? - Certified radon mitigators - Environmental contractors - Home inspection professionals - Large mitigation companies - Training programs and apprentices Why Choose RadonSketch? - Save hours of admin time per project - Impress clients with professional reports - Eliminate compliance guesswork - Centralise your documentation - Standardise team operations across job sites Currently available in the United States and Canada (RadonSketch follows ANSI/AARST compliance frameworks used in North America. Additional regions and international standards support coming soon.) Start simplifying your radon mitigation workflow today — download RadonSketch and design with confidence.
Screenshots
Verdict
The clearest difference is review sentiment: RadonSketch at 100% against iSecure Master's 0%. RadonSketch also leads on rating (5.0 vs 1.0) and ratings volume (3 vs 1). iSecure Master's advantage is in-app purchases (none vs 2) and iOS requirement (11.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. RadonSketch sells 2 in-app purchases, starting at $49.00 per month. iSecure Master asks for nothing beyond the download.
RadonSketch holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 0% of iSecure Master's written reviews are positive against 100% of RadonSketch's.
iSecure Master ships an update every 6 weeks, RadonSketch every 4 weeks. The most recent releases landed on September 8, 2026 and September 16, 2026 respectively.
| Parameter | iSecure Master | RadonSketch |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 6 weeks | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 60 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | Sunprotected Technology Corp | Chad Smith |
Customer experience
iSecure Master
RadonSketch
In-app purchases
iSecure Master
No in-app purchases
RadonSketch
- Pro Monthly$49.001 Month
- Pro Annual$490.001 Year









